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140050288 = 2471250449
BaseRepresentation
bin10000101100011…
…11111101110000
3100202112021212201
420112033331300
5241323102123
621521432544
73320256610
oct1026177560
9322467781
10140050288
1172066944
123aa9b754
13230271c1
1414858a40
15c4665ad
hex858ff70

140050288 has 20 divisors (see below), whose sum is σ = 310111600. Its totient is φ = 60021504.

The previous prime is 140050259. The next prime is 140050297. The reversal of 140050288 is 882050041.

It is a super-2 number, since 2×1400502882 = 39228166337765888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625113 + ... + 625336.

It is an arithmetic number, because the mean of its divisors is an integer number (15505580).

Almost surely, 2140050288 is an apocalyptic number.

It is an amenable number.

140050288 is an abundant number, since it is smaller than the sum of its proper divisors (170061312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140050288 is a wasteful number, since it uses less digits than its factorization.

140050288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250464 (or 1250458 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 140050288 is about 11834.2844312616. The cubic root of 140050288 is about 519.3115742053.

The spelling of 140050288 in words is "one hundred forty million, fifty thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1250449 2500898 5001796 8753143 10003592 17506286 20007184 35012572 70025144 140050288